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BETWEEN THE ROWS. Cotter has used this home-built 40-foot interseeder for nearly 10 years to plant multi-species cover crop blends between crop rows. He says the rotary hoe wheels work well in residue, fluffing the material up as the cover crop seed drops to the ground before being covered and protected by the mulch. Tom Cotter

Cropping ‘Between the Rows’ Builds Soil Health, Farm Flexibility

Tom Cotter says interseeding blended cover crops boosts root-zone diversity in complex no-till & organic crop rotation schedules, & brings in grazing income of $50 an acre per year

TAKEAWAYS

  • Build soil health and year-long erosion control with diverse populations of interseeded cover crops.
  • Match crops with covers that don’t compete with each other, and include grasses, legumes, brassicas and pollinators.
  • Don’t break the bank with equipment purchases: keep it simple.

As a third-grader Tom Cotter spent several afternoons in school after the bell rang because, as he says: “I was terrible at school.” 

The punishment turned out to be a blessing. It was during those “after school” sessions where he was introduced to the game of chess, which became a lifelong passion. He credits the game with helping him develop the thinking skills he uses daily managing a highly-diverse, 800-acre farming/grazing operation that includes both no-till and organic crop production.

Cotter Farm was established in 1874 outside Austin, Minn., and was tilled conventionally until 2013 when Tom began no-tilling and strip-tilling. The annual cropping system included corn, soybeans, one field of sweet corn, a few acres of alfalfa, and a winter crop of cereal rye. The operation also included a 500-head feedlot.

Today 60% of the farm is in no-till corn, soybeans, sweet corn, canning peas, sunflowers, cereal rye, alfalfa and interseeded cover crops with 50 cow/calf pairs and 50-100 grass-fed finished feeders grazing every acre. The remaining 40% produces organic corn, soybeans, sweet corn, sunflowers, oats, buckwheat, hemp-grain/fiber and CBD and cover crops for forage.

“What we’re doing today with the multi-crop rotations and interseeded covers growing throughout the year has boosted our fields’ water infiltration significantly…

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Dmcmugtrail

Dan Crummett

Dan Crummett has more than 40 years in regional and national agricultural journalism including editing state farm magazines, web-based machinery reporting and has a long-term interest in no-till and conservation tillage. He holds B.S. and M.S. degrees from Oklahoma State University.

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